function checkPetitionForm() {
	fm = document.forms['petitionForm'];
	var missing = "";
	fm.firstname.value = fm.firstname.value.replace(/^ */g, '').replace(/ *$/g, '');	
	if (fm.firstname.value == "")
		missing = "Your First Name is required.\n";
	else if (fm.firstname.value == "first name")
		missing = "Your First Name is required.\n";
		
	fm.lastname.value = fm.lastname.value.replace(/^ */g, '').replace(/ *$/g, '');	
	if (fm.lastname.value == "")
		missing += "Your Last Name is required.";
	else if (fm.lastname.value == "last name")
		missing += "Your Last Name is required.";
	
	if (missing != "") {
		alert(missing);
		return false;
	}
	return true;
}